Graphical example illustrating the x-2]dn+2] representation of a signal x[n]as a weighted sum of time-shifted 。。 人 impulses. x-lldn+1】 x-] x[o]dIn -1] xf016 0 xjdn-】 + x1]十 0 x[2]d[n -2] x2I十 ◆一0000—0 x(n]Graphical example illustrating the representation of a signal x[n] as a weighted sum of time-shifted impulses